examples of invalid errors

This commit is contained in:
Ben Burdette 2020-03-31 18:29:41 -06:00
parent 5b3aefff85
commit a72b6b2ec8

View file

@ -16,8 +16,10 @@ int main()
// In each program where errors occur, this has to be set.
ErrorInfo::programName = optional("error-test");
// There are currently four error types -
// There are currently four error types:
//
// ProgramError, ProgramWarning, NixLangError, NixLangWarning.
//
// Each error type is created with a specific sequence of builder functions.
// Unlike with a constructor, each parameter is clearly named.
// If the sequence of function calls isn't followed, then there's a type error.
@ -41,6 +43,27 @@ int main()
.hint(hintfmt("there was a %1%") % "warning") // 'warning' will be yellow.
);
/*
// some invalid errors:
// type error: no hint function.
ProgramError()
.name("name")
.description("error description");
// type error: description before name.
ProgramError()
.description("error description")
.name("name")
.nohint();
// type error: hint function with regular boost format, not special hintfmt.
ProgramError()
.description("error description")
.name("name")
.hint(format("there was a %1%") % "warning");
*/
// NixLangWarning adds nix file, line number, column range, and the lines of code
// where a warning occurred.
printErrorInfo(